// Extended Tooltip Javascript
// copyright 9th August 2002, 3rd July 2005
// by Stephen Chapman, Felgall Pty Ltd

// permission is granted to use this javascript provided that the below code is not altered
var DH = 0;
var an = 0;
var al = 0;
var ai = 0;

if (document.getElementById) 
{
	ai = 1; 
	DH = 1;
}
else 
{
	if (document.all) 
	{
		al = 1; DH = 1;
	} 
	else 
	{ 
		browserVersion = parseInt(navigator.appVersion); 
		if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) 
		{
			an = 1; 
			DH = 1;
		}
	}
} 

function fd(oi, wS) 
{
	if (ai) return wS ? document.getElementById(oi).style:document.getElementById(oi); 
		
	if (al) return wS ? document.all[oi].style: document.all[oi]; 
		
	if (an) return document.layers[oi];
}

function pw() 
{
	return window.innerWidth != null? window.innerWidth: document.body.clientWidth != null? document.body.clientWidth:null;
}

function mouseX(evt) 
{
	if (evt.pageX) 
	{
		return evt.pageX; 
	}
	else if (evt.clientX) 
	{
		return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft); 
	}
	else 
	{	
		return null;
	}
}

function mouseY(evt) 
{
	if (evt.pageY) 
	{		
		return evt.pageY; 
	}
	else if (evt.clientY)
	{		
		return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);
	}
	else 
	{		
		return null;
	}
}

function popUp(evt,oi)
{
	
	if (DH) 
	{		
		var wp = pw(); 

		ds = fd(oi,1); 

		dm = fd(oi,0); 
		
		
		st = ds.visibility;
		
		if (dm.offsetWidth) 
		{
			ew = dm.offsetWidth; 
		}
		else if (dm.clip.width) 
		{
			ew = dm.clip.width; 
		}
		
		if (st == "visible" || st == "show") 
		{ 
			ds.visibility = "hidden"; 
		} 
		else 
		{
			tv = mouseY(evt) + 20; 
			lv = mouseX(evt) - (ew/4); 
			
			if (lv < 2) lv = 2; 
			else if (lv + ew > wp) lv -= ew/2; 
			
			if (!an) {lv += 'px';tv += 'px';} 

			ds.left = lv; ds.top = tv;						
			ds.visibility = "visible";
					
			ds.color = "#555555" /*"#00FF99"*/
			ds.margin = "0"
			ds.padding = "5px"	
			ds.fontFamily = "Verdana, Arial, Helvetica, sans-serif"
			ds.fontWeight = "normal"
			ds.fontSize = "10px"
		}		
	}
}